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Finding the Fourth Proportional to 440,290.34, 607,603.05 and 249,340.94

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Solution

The fourth proportional to 440,290.34, 607,603.05 and 249,340.94 is: 344,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,290.34 : 607,603.05 = 249,340.94 : x
  2. Step 2: Convert to fraction form
    440,290.34/607,603.05 = 249,340.94/x
  3. Step 3: Cross multiply
    440,290.34x = 607,603.05 × 249,340.94
  4. Step 4: Simplify right side
    440,290.34x = 151,500,312,595.85
  5. Step 5: Solve for x
    x = 151,500,312,595.85/440,290.34
  6. Step 6: Final answer
    x = 344,091.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.