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Finding the Fourth Proportional to 586,692.40, 880,038.60 and 400,068.40

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Solution

The fourth proportional to 586,692.40, 880,038.60 and 400,068.40 is: 600,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,692.40 : 880,038.60 = 400,068.40 : x
  2. Step 2: Convert to fraction form
    586,692.40/880,038.60 = 400,068.40/x
  3. Step 3: Cross multiply
    586,692.40x = 880,038.60 × 400,068.40
  4. Step 4: Simplify right side
    586,692.40x = 352,075,634,640.24
  5. Step 5: Solve for x
    x = 352,075,634,640.24/586,692.40
  6. Step 6: Final answer
    x = 600,102.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.