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Finding the Fourth Proportional to 657,360.81, 900,580.01 and 632,779.34

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Solution

The fourth proportional to 657,360.81, 900,580.01 and 632,779.34 is: 866,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,360.81 : 900,580.01 = 632,779.34 : x
  2. Step 2: Convert to fraction form
    657,360.81/900,580.01 = 632,779.34/x
  3. Step 3: Cross multiply
    657,360.81x = 900,580.01 × 632,779.34
  4. Step 4: Simplify right side
    657,360.81x = 569,868,416,678.20
  5. Step 5: Solve for x
    x = 569,868,416,678.20/657,360.81
  6. Step 6: Final answer
    x = 866,903.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.